<div class="body">
    <ng-container *ngIf="project">
        <app-project-activity-bar [project]="project"></app-project-activity-bar>
        <div class="content">
            <router-outlet></router-outlet>
        </div>
    </ng-container>
    <ng-container *ngIf="!project">
        <div class="loading">
            <nz-spin nzTip="Loading project...."></nz-spin>
        </div>
    </ng-container>
</div>